[PATCH 4/8] KVM: SVM: pass struct vcpu_svm to msr_write_intercepted
From: Paolo Bonzini
Date: Tue Apr 28 2026 - 08:15:19 EST
Remove an unnecessary difference between Intel and AMD.
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
arch/x86/kvm/svm/svm.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index e7fdd7a9c280..0a2b85db8977 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -661,7 +661,7 @@ static void clr_dr_intercepts(struct vcpu_svm *svm)
svm_mark_intercepts_dirty(svm);
}
-static bool msr_write_intercepted(struct kvm_vcpu *vcpu, u32 msr)
+static bool msr_write_intercepted(struct vcpu_svm *svm, u32 msr)
{
/*
* For non-nested case:
@@ -672,8 +672,7 @@ static bool msr_write_intercepted(struct kvm_vcpu *vcpu, u32 msr)
* If the L02 MSR bitmap does not intercept the MSR, then we need to
* save it.
*/
- void *msrpm = is_guest_mode(vcpu) ? to_svm(vcpu)->nested.msrpm :
- to_svm(vcpu)->msrpm;
+ void *msrpm = is_guest_mode(&svm->vcpu) ? svm->nested.msrpm : svm->msrpm;
return svm_test_msr_bitmap_write(msrpm, msr);
}
@@ -2764,7 +2763,7 @@ static bool sev_es_prevent_msr_access(struct kvm_vcpu *vcpu,
{
return is_sev_es_guest(vcpu) && vcpu->arch.guest_state_protected &&
msr_info->index != MSR_IA32_XSS &&
- !msr_write_intercepted(vcpu, msr_info->index);
+ !msr_write_intercepted(to_svm(vcpu), msr_info->index);
}
static int svm_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
@@ -4414,7 +4413,7 @@ static __no_kcsan fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu, u64 run_flags)
{
bool force_immediate_exit = run_flags & KVM_RUN_FORCE_IMMEDIATE_EXIT;
struct vcpu_svm *svm = to_svm(vcpu);
- bool spec_ctrl_intercepted = msr_write_intercepted(vcpu, MSR_IA32_SPEC_CTRL);
+ bool spec_ctrl_intercepted = msr_write_intercepted(svm, MSR_IA32_SPEC_CTRL);
trace_kvm_entry(vcpu, force_immediate_exit);
@@ -4556,7 +4555,7 @@ static __no_kcsan fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu, u64 run_flags)
vcpu->arch.regs_avail &= ~SVM_REGS_LAZY_LOAD_SET;
- if (!msr_write_intercepted(vcpu, MSR_AMD64_PERF_CNTR_GLOBAL_CTL))
+ if (!msr_write_intercepted(svm, MSR_AMD64_PERF_CNTR_GLOBAL_CTL))
rdmsrq(MSR_AMD64_PERF_CNTR_GLOBAL_CTL, vcpu_to_pmu(vcpu)->global_ctrl);
trace_kvm_exit(vcpu, KVM_ISA_SVM);
--
2.52.0